login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Number of length 3 0..n arrays with each partial sum starting from the beginning no more than two standard deviations from its mean
1

%I #5 Nov 16 2016 12:30:07

%S 8,25,62,117,200,315,482,679,948,1221,1612,2039,2580,3155,3870,4549,

%T 5456,6393,7522,8673,9928,11315,12952,14597,16528,18453,20512,22739,

%U 25320,27871,30818,33451,36776,40041,43780,47435,51612,55315,59940,64441,69552

%N Number of length 3 0..n arrays with each partial sum starting from the beginning no more than two standard deviations from its mean

%C Row 3 of A244832

%H R. H. Hardin, <a href="/A244834/b244834.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=10

%e ..8....1....4....0....9....8....6....3....3....2....0....9....3....3....5....7

%e ..4....8....9...10....1....7....2....2....5....6....3....3....4....9...10....4

%e ..1....0...10....5....3....1....5....9....4....8...10....0....7....9....5....2

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 06 2014